<html><head><title>RG32 test</title>
</head><body>
<script>
function rg32(input) {
var a = [];
var b = [];
function beltmill() {
var ap, x, y, r, q, c, i;
ap = [];
q = [];
for(c = 0; c < 3; c++) {
q[c] = b[c * 13 + 12];
}
for(i = 12; i > 0; i--) {
for(c = 0; c < 3; c++) {
b[c * 13 + i] = b[c * 13 + i - 1];
}
}
for(c = 0; c < 3; c++) {
b[c * 13] = q[c];
}
for(c = 0; c < 12; c++) {
i = c + 1 + ((c % 3) * 13);
b[i] ^= a[c + 1];
}
for(c = 0; c < 19; c++) { // RG32 Mill
y = (c * 7) % 19;
r = (((c * c) + c) / 2) % 32;
x = a[y] ^ (a[(y + 1) % 19] |
(a[(y + 2) % 19] ^ 0xffffffff));
ap[c] = (x >>> r) | (x << (32 - r));
}
for(c = 0; c < 19; c++) {
a[c] = ap[c] ^ ap[(c + 1) % 19] ^ ap[(c + 4) % 19];
}
a[0] ^= 1;
for(c = 0; c < 3; c++) {
a[c+13]^=q[c];
}
}
place = 1;
function nextbyte() {
var output = a[place];
if(output < 0) {
output += 0x100000000;
}
place++;
if(place > 2) {
place = 1;
beltmill();
}
return output;
}
this.foo = input;
// Method for returning 32-bit ints of the internal state of this
// "masher"
this.rng = function() {
var endian;
endian = nextbyte();
endian = ((endian & 0xff000000) >>> 24) |
((endian & 0x00ff0000) >>> 8) |
((endian & 0x0000ff00) << 8) |
((endian & 0x000000ff) << 24);
return endian;
};
// Constructor: Input map
var s, q, c, r, x, d, v, place;
s = [];
v = 0;
d = 0;
for(c = 0; c < 19; c++) {
a[c] = 0;
}
for(c = 0; c < 39; c++) {
b[c] = 0;
}
for(v = 0;v <= input.length;) {
for(c = 0 ; c < 3 ; c++) { // Blank input words
s[c] = 0;
}
for(r = 0; r < 3; r++) {
for(q = 0; q < 4; q++) {
if(v < input.length) {
x = input.charCodeAt(v);
v++;
s[r] |= x << (q * 8);
} else {
s[r] |= 1 << (q * 8);
for(c = 0; c < 3; c++) {
b[c * 13] ^= s[c];
a[16 + c] ^= s[c];
}
for(c = 0; c < 16; c++) {
beltmill();
}
beltmill();
beltmill();
return;
}
}
}
for(c = 0; c < 3; c++) {
b[c * 13] ^= s[c];
a[16 + c] ^= s[c];
}
beltmill();
}
// 16 blank rounds
for(c = 0; c < 16; c++) {
beltmill();
}
}
function rg32_vector(input) {
var hash = new rg32(input);
var a = hexnumber(hash.rng());
a = a + " " + hexnumber(hash.rng());
a = a + " " + hexnumber(hash.rng());
a = a + " " + hexnumber(hash.rng());
a = a + " " + hexnumber(hash.rng());
a = a + " " + hexnumber(hash.rng());
a = a + " " + hexnumber(hash.rng());
a = a + " " + hexnumber(hash.rng());
a = "RadioGatun[32]('" + input + "') = " + a + "<br>\n";
return a;
}
function hexnumber(input) {
var z = input;
if(z < 0) {
z += 0x100000000;
}
return z.toString(16);
}
var vectors = document.body.appendChild(document.createElement("tt"));
vectors.innerHTML = rg32_vector("1");
vectors.innerHTML += rg32_vector("2");
vectors.innerHTML += rg32_vector("123456789012");
</script>
</body></html>